Hyperfine structure, quadrupole moment and core polarization in the As I spectrum

doi:10.1016/0378-4363(83)90018-9

Physica B+C

Volume 123, Issue 1, December 1983, Pages 121-124

https://doi.org/10.1016/0378-4363(83)90018-9 Get rights and content

Abstract

The transitions λλ 286.0, 278.0, 274.4 and 234.9 nm from 4p²5s to 4p³ in As I were investigated by optical interference spectroscopy. With the help of new theoretical fs and hfs analyses the quadrupole moment could be determined in each configuration, yielding a mean value of $Q(^{75} As) = +0.30(5) b$ . For the core polarization in 4p³ a_cp = -1.2(2) mK was evaluated, equivalent to a magnetic field of -1.7(3) T per 4p-electron spin, which is consistent with the fields in Ga 4p and Br 4p⁵.

References (20)

G. Müller et al.
Z. Physik
(1975)
H. Schüler et al.
Z. Physik
(1936)
K. Murakawa
Phys. Rev.
(1958)
J.M. Pendlebury et al.
Proc. Phys. Soc.
(1964)
J.M. Pendlebury
Proc. Phys. Soc.
(1964)
P.C.B. Fernando et al.
Phil. Mag.
(1960)
R.S. Title et al.
Phil. Mag.
(1960)
B. Arcimowicz
Preprint Nr. 321
and private communication...
P.G.H. Sandars et al.
Proc. Roy. Soc.
(1965)

There are more references available in the full text version of this article.

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The quadrupole moment of the As nucleus from molecular microwave data and calculated relativistic electric field gradients
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The ‘molecular’ value of the nuclear quadrupole moment of the ⁷⁵As nucleus is determined combining the experimental data for quadrupole coupling constant and the calculated electric field gradient in the AsP molecule. The accurate calculations have been carried out at the CCSD(T) level. The relativistic effects were accounted for using the infinite-order two-component method in the scalar approximation. The new recommended value of the nuclear quadrupole moment of ⁷⁵As obtained in this work is 311(2) mb and is more precise than the previous ‘muonic’ value.
Nuclear data sheets for A = 75
1999, Nuclear Data Sheets
The experimental nuclear spectroscopic data for known nuclides of mass number 75 (Co, Ni, Cu, Zn, Ga, Ge, As, Se, Br, Kr, Rb, Sr) have been evaluated and presented together with adopted properties for levels and γ rays. No data are yet available for excited states in⁷⁵Co,⁷⁵Ni,⁷⁵Cu,⁷⁵Zn and⁷⁵Sr. Since the 1990 evaluation (90Fa07), new high-spin data are available for⁷⁵Se,⁷⁵Br,⁷⁵Kr and⁷⁵Rb; and new nuclides of⁷⁵Co,⁷⁵Ni and⁷⁵Sr are now identified. No significant new data, since 1990, have been reported for⁷⁵Ga and⁷⁵As. The nuclide⁷⁵Fe has not yet been identified but half-life calculations are reported by 85Bu27 (also 71Pe16 and 97Mo25). This evaluation supersedes earlier evaluations (90Fa07,81Ek02,75Ho17) of A = 75.
Nuclear Data Sheets for A=75
1990, Nuclear Data Sheets
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Revision of the energy scheme of the arsenic atom
1986, Physica B+C
A fine structure analysis for the system Σ⁷_n′=₅ 4s²4p²n′s + Σ⁵_n′=₄ 4s²4p²n″d + 4s4p⁴ in the spectrum of neutral arsenic is performed on the basis of available experimental data. This work has proved, that the levels of the 4s4p⁴ configuration are at positions very different from those given in the literature so far. Besides it is shown that the 4s4p⁴ configuration strongly influences the even level system of As I. The spectroscopic assignments of the even parity electronic levels are given on the basis of the theoretical results. The quantum numbers n′ and l′ for excited electron states fail to be good quantum numbers in many cases.
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^∗: Present address: Max-Volmer-Institut für Biophysikalische und Physikalische Chemie der Technischen Universität Berlin, Berlin, Germany.

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Hyperfine structure, quadrupole moment and core polarization in the As I spectrum

Abstract

Z. Physik

Z. Physik

Phys. Rev.

Proc. Phys. Soc.

Proc. Phys. Soc.

Phil. Mag.

Phil. Mag.

Preprint Nr. 321

Proc. Roy. Soc.